Relationship between simple gait parameters and patient function before and after total knee arthroplasty

Contributing USMA Research Unit(s)

Civil and Mechanical Engineering

Publication Date


Publication Title

ASB2018: American Society of Biomechanics Annual Meeting

Document Type

Conference Proceeding


Human gait can change as a function of age and disease. The onset of knee osteoarthritis (OA) is associated with muscle weakness and knee instability, and results in a decreased knee range of motion compared to healthy controls [1]. Advanced cases of OA require a total knee arthroplasty (TKA) in attempt to relieve pain and improve function; however, suboptimal outcomes are very common. Patients often report knee instability and walking abnormalities, such as reduced range of motion in the knee joint and irregular muscle co-activation [2]. The purposes of this study were to determine if there are differences in the footpath ellipse during gait before and after TKA and to determine if characteristics of the footpath ellipse were related to a patient’s function.

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